daemon/gui/grpc: added support to retrieve rendered config service files, added support for grpc to access this, and update gui to leverage this call to provide a rendered view of files based on the current scenario, also allows editing the rendered output to use as the input when running the scenario

daemon/core/api/grpc/client.py

@@ -14,6 +14,7 @@ import grpc
 from core.api.grpc import core_pb2, core_pb2_grpc, emane_pb2, wrappers
 from core.api.grpc.configservices_pb2 import (
     GetConfigServiceDefaultsRequest,
+    GetConfigServiceRenderedRequest,
     GetNodeConfigServiceRequest,
 )
 from core.api.grpc.core_pb2 import (
@@ -994,6 +995,23 @@ class CoreGrpcClient:
         response = self.stub.GetNodeConfigService(request)
         return dict(response.config)
 
+    def get_config_service_rendered(
+        self, session_id: int, node_id: int, name: str
+    ) -> Dict[str, str]:
+        """
+        Retrieve the rendered config service files for a node.
+
+        :param session_id: id of session
+        :param node_id: id of node
+        :param name: name of service
+        :return: dict mapping names of files to rendered data
+        """
+        request = GetConfigServiceRenderedRequest(
+            session_id=session_id, node_id=node_id, name=name
+        )
+        response = self.stub.GetConfigServiceRendered(request)
+        return dict(response.rendered)
+
     def get_emane_event_channel(
         self, session_id: int, nem_id: int
     ) -> wrappers.EmaneEventChannel:

daemon/core/api/grpc/server.py

@@ -23,6 +23,8 @@ from core.api.grpc.configservices_pb2 import (
     ConfigService,
     GetConfigServiceDefaultsRequest,
     GetConfigServiceDefaultsResponse,
+    GetConfigServiceRenderedRequest,
+    GetConfigServiceRenderedResponse,
     GetNodeConfigServiceRequest,
     GetNodeConfigServiceResponse,
 )
@@ -1226,6 +1228,27 @@ class CoreGrpcServer(core_pb2_grpc.CoreApiServicer):
             config = {x.id: x.default for x in service.default_configs}
         return GetNodeConfigServiceResponse(config=config)
 
+    def GetConfigServiceRendered(
+        self, request: GetConfigServiceRenderedRequest, context: ServicerContext
+    ) -> GetConfigServiceRenderedResponse:
+        """
+        Retrieves the rendered file data for a given config service on a node.
+
+        :param request: config service render request
+        :param context: grpc context
+        :return: rendered config service files
+        """
+        session = self.get_session(request.session_id, context)
+        node = self.get_node(session, request.node_id, context, CoreNode)
+        self.validate_service(request.name, context)
+        service = node.config_services.get(request.name)
+        if not service:
+            context.abort(
+                grpc.StatusCode.NOT_FOUND, f"unknown node service {request.name}"
+            )
+        rendered = service.get_rendered_templates()
+        return GetConfigServiceRenderedResponse(rendered=rendered)
+
     def GetConfigServiceDefaults(
         self, request: GetConfigServiceDefaultsRequest, context: ServicerContext
     ) -> GetConfigServiceDefaultsResponse: